move skill code to own file, change caching names/concept

src/cache.rs

@@ -1,5 +1,8 @@
 use dashmap::DashMap;
-use std::path::{Path, PathBuf};
+use pest::error::Error;
+use tower_lsp::lsp_types::CompletionItem;
+
+use crate::{parse_global_symbols, parse_skill};
 
 #[derive(PartialEq, Debug)]
 struct Position {
@@ -13,61 +16,45 @@ struct Range {
     to: Position,
 }
 
-#[derive(PartialEq, Debug)]
-struct CachedScope {
-    range: Range,
-}
-
-#[derive(PartialEq, Debug, Clone)]
-pub struct CachedItems {
-    global_tokens: Vec<String>,
-    scopes: Vec<CachedScope>,
-}
-
 #[derive(Debug)]
-pub struct DocumentCache {
-    pub documents: DashMap<PathBuf, CachedItems>,
+pub struct SymbolCache {
+    pub symbols: DashMap<String, Vec<CompletionItem>>,
 }
 
 #[derive(Debug, Clone)]
 struct FileNotInCache;
 
-impl DocumentCache {
-    pub fn new() -> DocumentCache {
-        DocumentCache {
-            documents: DashMap::new(),
+impl SymbolCache {
+    pub fn new() -> SymbolCache {
+        SymbolCache {
+            symbols: DashMap::new(),
         }
     }
 
-    pub fn update_document(&self, path: PathBuf, items: CachedItems) {
-        self.documents.insert(path, items);
+    pub fn update(&self, path: &str) -> Vec<CompletionItem> {
+        let parsed = parse_skill(path);
+        for rule in parsed {
+            match parse_global_symbols(rule) {
+                Ok(_) => {}
+                Err(_) => {}
+            }
+        }
+        return self.symbols.get(path).unwrap().to_vec();
     }
 }
 
 #[cfg(test)]
 mod tests {
-    use crate::cache::{CachedItems, DocumentCache};
-    use std::collections::HashMap;
-    use std::path::Path;
+    use crate::cache::SymbolCache;
+    // use std::collections::HashMap;
+    // use std::path::Path;
 
     #[test]
     fn insert() {
-        let mut d = DocumentCache::new(Path::new("/example/workdir").to_path_buf());
-        d.update_document(
-            Path::new("example_file.ext").to_path_buf(),
-            CachedItems {
-                global_tokens: vec![],
-                scopes: vec![],
-            },
-        );
-        let mut comp = HashMap::new();
-        comp.insert(
-            Path::new("example_file.ext").to_path_buf(),
-            CachedItems {
-                global_tokens: vec![],
-                scopes: vec![],
-            },
-        );
-        assert_eq!(d.documents, comp)
+        let mut d = SymbolCache::new();
+        d.update();
+        // let mut comp = HashMap::new();
+        // comp.insert();
+        // assert_eq!(d.documents, comp)
     }
 }

src/main.rs

@@ -1,17 +1,16 @@
 mod cache;
-use cache::DocumentCache;
+use cache::SymbolCache;
+
+mod skill;
+use skill::{parse_global_symbols, parse_skill};
 
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use std::fs;
-use std::path::{Path, PathBuf};
 use tower_lsp::jsonrpc::{Error, ErrorCode, Result};
 use tower_lsp::lsp_types::notification::Notification;
 use tower_lsp::lsp_types::*;
 use tower_lsp::{Client, LanguageServer, LspService, Server};
 
-use crate::pest::Parser;
-
 extern crate glob;
 extern crate pest;
 #[macro_use]
@@ -20,13 +19,9 @@ extern crate pest_derive;
 #[derive(Debug)]
 struct Backend {
     client: Client,
-    cache: DocumentCache,
+    cache: SymbolCache,
 }
 
-#[derive(Parser)]
-#[grammar = "./skill.pest"]
-struct SkillParser;
-
 #[derive(Debug, Deserialize, Serialize)]
 struct CustomNotificationParams {
     title: String,
@@ -67,9 +62,11 @@ impl LanguageServer for Backend {
         self.client
             .log_message(MessageType::INFO, format!("pattern used: {:?}", pattern))
             .await;
+
         for entry in glob::glob(pattern.as_str()).expect("no file to cache in root_dir") {
             match entry {
                 Ok(path) => {
+                    self.cache.update(path.to_str().unwrap());
                     self.client
                         .log_message(MessageType::INFO, format!("caching {:?}", path.display()))
                         .await
@@ -132,27 +129,12 @@ impl LanguageServer for Backend {
     }
 
     async fn completion(&self, cparams: CompletionParams) -> Result<Option<CompletionResponse>> {
-        let doc = cparams.text_document_position.text_document.uri.path();
-        // let line = cparams.text_document_position.position.line;
-        // let character = cparams.text_document_position.position.character;
-        let content = fs::read_to_string(doc).expect("could not read");
-        let file = SkillParser::parse(Rule::skill, &content)
-            .expect("unsuccessful parse")
-            .next()
-            .unwrap();
-
-        let mut symbols: Vec<CompletionItem> = vec![];
-
-        for record in file.into_inner() {
-            match record.as_rule() {
-                Rule::assign => symbols.push(CompletionItem {
-                    label: record.into_inner().next().unwrap().as_str().to_string(),
-                    kind: Some(CompletionItemKind::VARIABLE),
-                    ..Default::default()
-                }),
-                _ => {}
-            };
-        }
+        let symbols: Vec<CompletionItem> = self
+            .cache
+            .symbols
+            .get_mut(&cparams.text_document_position.text_document.uri.to_string())
+            .unwrap()
+            .to_vec();
 
         Ok(Some(CompletionResponse::Array(symbols)))
     }
@@ -166,7 +148,7 @@ async fn main() {
 
     let (service, socket) = LspService::new(|client| Backend {
         client,
-        cache: DocumentCache::new(),
+        cache: SymbolCache::new(),
     });
     Server::new(stdin, stdout, socket).serve(service).await;
 }

src/skill.rs

@@ -0,0 +1,13 @@
+use pest::error::Error;
+use pest::iterators::Pair;
+
+#[derive(Parser)]
+#[grammar = "./skill.pest"]
+pub struct SkillParser;
+
+pub fn parse_skill(path: &str) -> Vec<Pair<Rule>> {
+    vec![]
+}
+pub fn parse_global_symbols(token: Pair<Rule>) -> Result<&str, Error<Rule>> {
+    Ok("")
+}